Crescent manufactures a variety of traditional screws such as Machine Screws, Tapping Screws, Thread Forming Screws, Thread Cutting Screws, and Shoulder Screws.These screws are available in sizes from 000 to 3/8, and lengths from 1/16(.062) to a maximum of 3"( varying by size and head style). All commercial parts are manufactured to IFI (ASME) standards. Items presently available from stock are listed below.